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gdb/SOURCES/gdb-rhbz1491128-batch-mode-exit-status-1of2.patch
CentOS Sources d25fbabe7f import gdb-8.2-11.el8
2021-09-09 17:02:55 +00:00

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Gary Benson <gbenson@redhat.com>
Date: Wed, 29 Aug 2018 16:11:50 +0100
Subject: gdb-rhbz1491128-batch-mode-exit-status-1of2.patch
;; Fix for 'gdb in batch mode always exit with status 0' (Gary Benson)
;; RHBZ #1491128
Indicate batch mode failures by exiting with nonzero status
This commit causes GDB in batch mode to exit with nonzero status
if the last command to be executed fails.
gdb/ChangeLog:
PR gdb/13000:
* gdb/main.c (captured_main_1): Exit with nonzero status
in batch mode if the last command to be executed failed.
* NEWS: Mention the above.
gdb/testsuite/ChangeLog:
PR gdb/13000:
* gdb.base/batch-exit-status.exp: New file.
* gdb.base/batch-exit-status.good-commands: Likewise.
* gdb.base/batch-exit-status.bad-commands: Likewise.
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2018-08-16 Gary Benson <gbenson@redhat.com>
+
+ PR gdb/13000:
+ * gdb/main.c (captured_main_1): Exit with nonzero status
+ in batch mode if the last command to be executed failed.
+ * NEWS: Mention the above.
+
2018-08-03 Sergio Durigan Junior <sergiodj@redhat.com>
* ser-tcp.c (net_open): Fix thinko when deciding whether to
diff --git a/gdb/NEWS b/gdb/NEWS
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -7,6 +7,9 @@
can be passed using the '[ADDRESS]:PORT' notation, or the regular
'ADDRESS:PORT' method.
+* GDB in batch mode now exits with status 1 if the last command to be
+ executed failed.
+
*** Changes in GDB 8.2
* The 'set disassembler-options' command now supports specifying options
diff --git a/gdb/main.c b/gdb/main.c
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -518,6 +518,7 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
int i;
int save_auto_load;
struct objfile *objfile;
+ int ret = 1;
#ifdef HAVE_SBRK
/* Set this before constructing scoped_command_stats. */
@@ -1051,7 +1052,7 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
processed; it sets global parameters, which are independent of
what file you are debugging or what directory you are in. */
if (system_gdbinit && !inhibit_gdbinit)
- catch_command_errors (source_script, system_gdbinit, 0);
+ ret = catch_command_errors (source_script, system_gdbinit, 0);
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
*before* all the command line arguments are processed; it sets
@@ -1059,7 +1060,7 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
debugging or what directory you are in. */
if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit)
- catch_command_errors (source_script, home_gdbinit, 0);
+ ret = catch_command_errors (source_script, home_gdbinit, 0);
/* Process '-ix' and '-iex' options early. */
for (i = 0; i < cmdarg_vec.size (); i++)
@@ -1069,12 +1070,12 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
switch (cmdarg_p.type)
{
case CMDARG_INIT_FILE:
- catch_command_errors (source_script, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (source_script, cmdarg_p.string,
+ !batch_flag);
break;
case CMDARG_INIT_COMMAND:
- catch_command_errors (execute_command, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
break;
}
}
@@ -1082,11 +1083,11 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
{
- catch_command_errors (cd_command, cdarg, 0);
+ ret = catch_command_errors (cd_command, cdarg, 0);
}
for (i = 0; i < dirarg.size (); i++)
- catch_command_errors (directory_switch, dirarg[i], 0);
+ ret = catch_command_errors (directory_switch, dirarg[i], 0);
/* Skip auto-loading section-specified scripts until we've sourced
local_gdbinit (which is often used to augment the source search
@@ -1115,19 +1116,19 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
catch_command_errors returns non-zero on success!
Do not load EXECARG as a symbol file if it has been already processed
as a core file. */
- if (catch_command_errors (func, execarg, !batch_flag)
- && core_bfd == NULL)
- catch_command_errors (symbol_file_add_main_adapter, symarg,
- !batch_flag);
+ ret = catch_command_errors (func, execarg, !batch_flag);
+ if (ret != 0 && core_bfd == NULL)
+ ret = catch_command_errors (symbol_file_add_main_adapter,
+ symarg, !batch_flag);
}
else
{
if (execarg != NULL)
- catch_command_errors (exec_file_attach, execarg,
- !batch_flag);
+ ret = catch_command_errors (exec_file_attach, execarg,
+ !batch_flag);
if (symarg != NULL)
- catch_command_errors (symbol_file_add_main_adapter, symarg,
- !batch_flag);
+ ret = catch_command_errors (symbol_file_add_main_adapter,
+ symarg, !batch_flag);
}
if (corearg && pidarg)
@@ -1135,9 +1136,14 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
"a core file at the same time."));
if (corearg != NULL)
- catch_command_errors (core_file_command, corearg, !batch_flag);
+ {
+ ret = catch_command_errors (core_file_command, corearg,
+ !batch_flag);
+ }
else if (pidarg != NULL)
- catch_command_errors (attach_command, pidarg, !batch_flag);
+ {
+ ret = catch_command_errors (attach_command, pidarg, !batch_flag);
+ }
else if (pid_or_core_arg)
{
/* The user specified 'gdb program pid' or gdb program core'.
@@ -1146,17 +1152,23 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
if (isdigit (pid_or_core_arg[0]))
{
- if (catch_command_errors (attach_command, pid_or_core_arg,
- !batch_flag) == 0
+ ret = catch_command_errors (attach_command, pid_or_core_arg,
+ !batch_flag);
+ if (ret == 0
/* attach_command could succeed partially and core_file_command
would try to kill it. */
&& !have_inferiors ())
- catch_command_errors (core_file_command, pid_or_core_arg,
- !batch_flag);
+ ret = catch_command_errors (core_file_command,
+ pid_or_core_arg,
+ !batch_flag);
+ }
+ else
+ {
+ /* Can't be a pid, better be a corefile. */
+ ret = catch_command_errors (core_file_command,
+ pid_or_core_arg,
+ !batch_flag);
}
- else /* Can't be a pid, better be a corefile. */
- catch_command_errors (core_file_command, pid_or_core_arg,
- !batch_flag);
}
if (ttyarg != NULL)
@@ -1180,7 +1192,7 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
{
auto_load_local_gdbinit_loaded = 1;
- catch_command_errors (source_script, local_gdbinit, 0);
+ ret = catch_command_errors (source_script, local_gdbinit, 0);
}
}
@@ -1200,12 +1212,12 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
switch (cmdarg_p.type)
{
case CMDARG_FILE:
- catch_command_errors (source_script, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (source_script, cmdarg_p.string,
+ !batch_flag);
break;
case CMDARG_COMMAND:
- catch_command_errors (execute_command, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
break;
}
}
@@ -1217,8 +1229,11 @@ captured_main_1 (struct captured_main_args *context, int &python_script)
if (batch_flag)
{
+ int error_status = EXIT_FAILURE;
+ int *exit_arg = ret == 0 ? &error_status : NULL;
+
/* We have hit the end of the batch file. */
- quit_force (NULL, 0);
+ quit_force (exit_arg, 0);
}
}
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2018-08-16 Gary Benson <gbenson@redhat.com>
+
+ PR gdb/13000:
+ * gdb.base/batch-exit-status.exp: New file.
+ * gdb.base/batch-exit-status.good-commands: Likewise.
+ * gdb.base/batch-exit-status.bad-commands: Likewise.
+
2018-07-11 Sergio Durigan Junior <sergiodj@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
Paul Fertser <fercerpav@gmail.com>
diff --git a/gdb/testsuite/gdb.base/batch-exit-status.bad-commands b/gdb/testsuite/gdb.base/batch-exit-status.bad-commands
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/batch-exit-status.bad-commands
@@ -0,0 +1 @@
+bork
diff --git a/gdb/testsuite/gdb.base/batch-exit-status.exp b/gdb/testsuite/gdb.base/batch-exit-status.exp
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/batch-exit-status.exp
@@ -0,0 +1,63 @@
+# Copyright (C) 2018 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Check that "gdb -batch" exits with appropriate status.
+
+standard_testfile
+
+set good_commands "$srcdir/$subdir/batch-exit-status.good-commands"
+set bad_commands "$srcdir/$subdir/batch-exit-status.bad-commands"
+
+proc _test_exit_status {expect_status cmdline_opts} {
+ global gdb_spawn_id
+
+ gdb_exit
+ if {[gdb_spawn_with_cmdline_opts $cmdline_opts] != 0} {
+ fail "spawn"
+ return
+ }
+
+ set result [wait -i $gdb_spawn_id]
+ verbose $result
+ gdb_assert { [lindex $result 2] == 0 }
+ set actual_status [lindex $result 3]
+ gdb_assert { $actual_status == $expect_status }
+}
+
+proc test_exit_status {expect_status cmdline_opts} {
+ with_test_prefix $cmdline_opts {
+ _test_exit_status $expect_status $cmdline_opts
+ }
+}
+
+# gdb -batch with nothing to do should exit 0.
+test_exit_status 0 "-batch"
+
+# Bad command-line options should cause exit 1.
+test_exit_status 1 "-batch -jslkflsdjlkfjlksdjf"
+
+# gdb -batch with good commands should exit 0.
+test_exit_status 0 "-batch -ex \"info source\""
+test_exit_status 0 "-batch -x $good_commands"
+
+# gdb -batch with bad commands should exit 1.
+test_exit_status 1 "-batch -ex \"set not-a-thing 4\""
+test_exit_status 1 "-batch -x $bad_commands"
+
+# Success or failure of the last thing determines the exit code.
+test_exit_status 0 "-batch -ex \"set not-a-thing 4\" -x $good_commands"
+test_exit_status 0 "-batch -x $bad_commands -ex \"info source\""
+test_exit_status 1 "-batch -x $good_commands -x $bad_commands"
+test_exit_status 1 "-batch -x $good_commands -ex \"set not-a-thing 4\""
diff --git a/gdb/testsuite/gdb.base/batch-exit-status.good-commands b/gdb/testsuite/gdb.base/batch-exit-status.good-commands
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/batch-exit-status.good-commands
@@ -0,0 +1 @@
+info mem
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